X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/ab5a18ab1312d37e1aceded9960a97a23028235a..b51a0dafc7861eb31d21524ec067d7c529a664b8:/print-sll.c

diff --git a/print-sll.c b/print-sll.c
index 19d2973e..eb8d620a 100644
--- a/print-sll.c
+++ b/print-sll.c
@@ -26,6 +26,11 @@
 #endif
 
 #ifdef HAVE_NET_IF_H
+/*
+ * Include diag-control.h before <net/if.h>, which too defines a macro
+ * named ND_UNREACHABLE.
+ */
+#include "diag-control.h"
 #include <net/if.h>
 #endif